Overview
The ADC3441IRTQR, part of the ADC344x family, is a high-linearity, ultra-low power, quad-channel, 14-bit analog-to-digital converter (ADC) produced by Texas Instruments. This device is designed to support demanding, high input frequency signals with large dynamic range requirements. It operates at sampling rates from 25 MSPS to 125 MSPS and features a serial low-voltage differential signaling (LVDS) interface to enhance system integration density. The ADC3441 is particularly suited for applications requiring high precision and low power consumption.
Key Specifications
| Parameter | Minimum | Typical | Maximum | Unit |
|---|---|---|---|---|
| Resolution | 14 | 14 | 14 | Bits |
| Sampling Rate | 25 | - | 125 | MSPS |
| Analog Supply Voltage (AVDD) | 1.8 | 1.8 | 1.8 | V |
| Digital Supply Voltage (DVDD) | 1.8 | 1.8 | 1.8 | V |
| Total Power Dissipation (at 125 MSPS) | 177 | 215 | - | mW |
| Signal-to-Noise Ratio (SNR) at 25 MSPS | 73.1 | 73.5 | - | dBFS |
| Spurious-Free Dynamic Range (SFDR) at 25 MSPS | 91 | 89 | - | dBc |
| Channel Isolation | 105 | - | - | dB |
| Package | - | - | - | VQFN-56 (8 mm × 8 mm) |
Key Features
- Quad-channel configuration with 14-bit resolution
- Ultra-low power consumption: 98 mW per channel at 125 MSPS
- Serial LVDS interface for reduced interface lines and high system integration density
- Flexible input clock buffer with divide-by-1, -2, -4 options
- Internal dither and chopper for improved performance
- Support for multi-chip synchronization using the SYSREF input
- Pin-to-pin compatible with 12-bit version
- High channel isolation: 105 dB
Applications
- Multi-carrier, multi-mode cellular base stations
- Radar and smart antenna arrays
- Munitions guidance
- Motor control feedback
- Network and vector analyzers
- Communications test equipment
- Nondestructive testing
- Microwave receivers
- Software-defined radios (SDRs)
- Quadrature and diversity radio receivers
Q & A
- What is the resolution of the ADC3441?
The ADC3441 has a 14-bit resolution.
- What are the sampling rate options for the ADC3441?
The ADC3441 operates at sampling rates from 25 MSPS to 125 MSPS.
- What is the power consumption of the ADC3441 at 125 MSPS?
The power consumption is 98 mW per channel at 125 MSPS.
- What type of interface does the ADC3441 use?
The ADC3441 uses a serial LVDS interface.
- Does the ADC3441 support multi-chip synchronization?
- What is the package type of the ADC3441?
The ADC3441 is packaged in a VQFN-56 (8 mm × 8 mm) package.
- What are some of the key applications for the ADC3441?
Key applications include multi-carrier cellular base stations, radar and smart antenna arrays, munitions guidance, and more.
- What is the channel isolation of the ADC3441?
The channel isolation is 105 dB.
- Does the ADC3441 have internal dither and chopper?
- Is the ADC3441 pin-to-pin compatible with other versions?
